<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        let arr = [
            {
                "id": "604e115c7bfcfa45d019d3e9",
                "pid": "-1",
                "name": "传智教育",
                "code": "1",
                "introduce": "程序员的摇篮",
                "createTime": "2025-04-24 08:53:32"
            },
            {
                "id": "604e21feb205b95968e13129",
                "pid": "",
                "name": "总裁办",
                "code": "1001",
                "manager": "管理员",
                "introduce": "公司战略部",
                "createTime": "2021-03-14 22:47:25"
            },
            {
                "id": "604e222bb205b95968e1312a",
                "pid": "",
                "name": "行政部",
                "code": "XZB",
                "manager": "管理员",
                "introduce": "行政部",
                "createTime": "2021-03-14 22:47:25"
            },
            {
                "id": "604e223fb205b95968e1312b",
                "pid": "",
                "name": "人事部",
                "code": "RSB",
                "manager": "管理员",
                "introduce": "人事部",
                "createTime": "2021-03-14 22:47:25"
            },
            {
                "id": "604e2251b205b95968e1312c",
                "pid": "",
                "name": "财务部",
                "code": "CWB",
                "manager": "管理员",
                "introduce": "财务部",
                "createTime": "2021-03-14 22:47:25"
            },
            {
                "id": "604e2262b205b95968e1312d",
                "pid": "604e2251b205b95968e1312c",
                "name": "财务核算部",
                "code": "CWHSB",
                "manager": "管理员",
                "introduce": "财务核算部",
                "createTime": "2021-03-14 22:47:25"
            },
            {
                "id": "604e227db205b95968e1312e",
                "pid": "604e2251b205b95968e1312c",
                "name": "税务管理部",
                "code": "SWGLN",
                "manager": "管理员",
                "introduce": "税务管理部",
                "createTime": "2021-03-14 22:47:25"
            },
            {
                "id": "604e2297b205b95968e1312f",
                "pid": "604e2251b205b95968e1312c",
                "name": "薪资管理部",
                "code": "XZGLB",
                "manager": "管理员",
                "introduce": "薪资管理部",
                "createTime": "2021-03-14 22:47:25"
            },
            {
                "id": "6051ad90e93db6522c1d00d2",
                "pid": "",
                "name": "技术部",
                "code": "JSB",
                "manager": "孙财",
                "introduce": "技术部",
                "createTime": "2021-03-17 15:18:23"
            },
            {
                "id": "6051adb6e93db6522c1d00d3",
                "pid": "6051ad90e93db6522c1d00d2",
                "name": "Java研发部",
                "code": "JYFB",
                "manager": "管理员",
                "introduce": "JAVA研发部",
                "createTime": "2021-03-17 15:18:23"
            },
            {
                "id": "6051add6e93db6522c1d00d4",
                "pid": "6051ad90e93db6522c1d00d2",
                "name": "Python研发部",
                "code": "PYFB",
                "manager": "罗晓晓",
                "introduce": "Python研发部",
                "createTime": "2021-03-17 15:18:23"
            },
            {
                "id": "6051adefe93db6522c1d00d5",
                "pid": "6051ad90e93db6522c1d00d2",
                "name": "Php研发部",
                "code": "PhpYFB",
                "manager": "孙财",
                "introduce": "Php研发部",
                "createTime": "2021-03-17 15:18:23"
            },
            {
                "id": "6051ae03e93db6522c1d00d6",
                "pid": "",
                "name": "运营部",
                "code": "YYB",
                "manager": "孙财",
                "introduce": "运营部",
                "createTime": "2021-03-17 15:18:23"
            },
            {
                "id": "6051ae15e93db6522c1d00d7",
                "pid": "",
                "name": "市场部",
                "code": "SCB",
                "manager": "孙财",
                "introduce": "市场部",
                "createTime": "2021-03-17 15:18:23"
            },
            {
                "id": "6051ae28e93db6522c1d00d8",
                "pid": "6051ae15e93db6522c1d00d7",
                "name": "北京事业部",
                "code": "BJSYB",
                "manager": "孙财",
                "introduce": "BJSYB",
                "createTime": "2021-03-17 15:18:23"
            },
            {
                "id": "6051ae3de93db6522c1d00d9",
                "pid": "6051ae15e93db6522c1d00d7",
                "name": "上海事业部",
                "code": "SHSYB",
                "manager": "文吉星",
                "introduce": "上海事业部",
                "createTime": "2021-03-17 15:18:23"
            }
        ]
        // console.log(arr);
        // arr.forEach((item, a) => {
        //     console.log(a);
        //     console.log(item);
        //     if (!item.children) {
        //         item.children = []
        //         console.log('list', arr)

        //     }

        // })

        // const brr = [
        //     1, 2, 3, 4
        // ]
        // console.log('循环前', brr);
        // brr.forEach((item, index) => {
        //     brr[index] = item + 1
        // })
        // console.log('循环后', brr);


        const crr = [
            { name: 'zhangsan', age: 13 },
            { name: 'li', age: 3 },
            { name: 'sxy', age: 13 },
        ]
        console.log('循环前', crr);
        crr.forEach((item, index, asd) => {
            item.id = 999
            console.log(crr);
        })
        console.log('循环后', crr);
    </script>
</body>

</html>